Is I66.01 a billable code?
Yes. I66.01 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
I66.01: Occlusion and stenosis of right middle cerebral artery
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
I66.01 is a billable ICD-10-CM diagnosis code for occlusion and stenosis of right middle cerebral artery. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with I66.01 already added.Good Faith EstimateStart a cost estimate with I66.01 already added.CMS-1500 Claim FormFill a claim form with I66.01 in box 21.
Other codes in I66.0 Occlusion and stenosis of middle cerebral artery
I66.01 questions
What does I66.01 mean?
I66.01 is the ICD-10-CM code for Occlusion and stenosis of right middle cerebral artery. It is in chapter 9, Diseases of the circulatory system (I00-I99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.